package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;
import org.springframework.web.bind.annotation.DeleteMapping;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /**
     * 动态条件查询购物车信息
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 更新购物车数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumber(ShoppingCart shoppingCart);


    /**
     * 插入购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, number, create_time) " +
            "VALUES (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{number},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户id查询购物车
     * @param userId
     * @return
     */
    @Select("select * from shopping_cart where user_id = #{userId};")
    List<ShoppingCart> getByUserId(Long userId);

    /**
     * 根据用户id清空购物车
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 根据购物车id删除购物车
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteByShoppingCartId(Long id);

    /**
     * 批量插入购物车
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
